Received: by 2002:a25:7ec1:0:0:0:0:0 with SMTP id z184csp4653590ybc; Tue, 26 Nov 2019 12:22:23 -0800 (PST) X-Google-Smtp-Source: APXvYqxTjSTfDD91BncuL9IFVAy69sV4rxyNe4+VP7yMFJze03tUr4HdzHBOzS3dEK/+f/Bmsmtf X-Received: by 2002:a50:a2e5:: with SMTP id 92mr28199687edm.195.1574799743269; Tue, 26 Nov 2019 12:22:23 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1574799743; cv=none; d=google.com; s=arc-20160816; b=vaMBF1P85r++I+IdgYH1sj03UYsh9ESbtn5oKGhd6Gfaw9Ll2Q7tGP2aanrW5Pbw+/ LZTJn94gZTBa3DymnfbTHIdCELyCfFqWAy5I16A/NKMgQ6nkcW80gJR4O+r+5WmXkJ6L dhgpOBngQ+pQUlwMOsrV0UD7B456J+qAMBT9+5uqBbpDj78d8oB5ew8IO795kVJ9TrIn aNo9myiYZHQDtxQot/yHLzlgw1DXjDWMMXdQ1jbXoDnI//W3eMwWhcL3Uo93hs8QDT4p mJ1NouoY70+WmgiaZ0W6bhKw5zFH0Tiom82DvCfp2IXCH+DpgV2hpJ9rxqsYczIATKel xmrw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:to:from:subject:message-id:in-reply-to :date:mime-version; bh=Akqz/I3ZQjzJAvOshpOikoMNQL6Gvzwc2tf/r4zF6dU=; b=GwwV5SOrHbQfbD1wBABUjbPnS2erOvWJEWOG/9ydFuPTePVOKdnoEM1RRp5dCIrlOV ZDbBMkj32eqOOpmBHHBJqn4qXCl2S7cCodB/1BE8hdbjkYoduka1brME9TXJPVRCt/lw 0jcgYmJDuZuduCMN3g7d4Kgn/x/wz42DR+aSLEaydEo2dqrVENhQumHJzkvWnDdGynqK wJDk/xUAc2m6PuO7wsaMWxZiGWIRQ6T2KepPyjNwLeAHE/LAxRWJ/VirYJyH/PkE98dh Thjga7xjPZXKK7niRrnFrDWYizbmCD4OzEvP/ipQULkZYzZk/+mvn5wdYmV+atekQDC9 13Eg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f17si7981249edx.113.2019.11.26.12.21.59; Tue, 26 Nov 2019 12:22:23 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726983AbfKZUVC (ORCPT + 99 others); Tue, 26 Nov 2019 15:21:02 -0500 Received: from mail-il1-f198.google.com ([209.85.166.198]:35054 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726036AbfKZUVC (ORCPT ); Tue, 26 Nov 2019 15:21:02 -0500 Received: by mail-il1-f198.google.com with SMTP id z10so1925725ilm.2 for ; Tue, 26 Nov 2019 12:21:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=Akqz/I3ZQjzJAvOshpOikoMNQL6Gvzwc2tf/r4zF6dU=; b=j5RVFwLsS77GctFchzQv1swOagAI8V5HzpYrZbzGswRNZsGrmEBKCK2CZSpXju1KCN BBWklC3W3ati3VayI+Dr2XLE1yWM/Ki1MgR0Lo7ME4Y+zfMWKogkSiv5cnkQFQy8HYd5 0UrY+9Kkd9k5wQLM1pqMGSJpJYo9Cj8HXdSRW1tnmp3KpeThKbnkVa0cSE1qnwHa0K2+ ttKjgYyrgoF5y7ohzlm9w9E3KbJTemMhKWDQnw/QcAWWujNgmZhg7eMkfxBNRxWDiqZg zo0Ic3YTjjPaP8yku1MlwjDaoZi7w/N9F8gBXRxPmjcvSa3vw8faDoRVZrTJrv4rbank YXFw== X-Gm-Message-State: APjAAAUhdlWjPojHuVrWpcm6vI6BR6/65NOxcTFfb7azgivuAryVPeuk BIrNlonKtpcJ5KpPaGrzk2ergeeEMnzb7RSQOXfTWoIvRLQK MIME-Version: 1.0 X-Received: by 2002:a02:ce51:: with SMTP id y17mr464455jar.1.1574799661213; Tue, 26 Nov 2019 12:21:01 -0800 (PST) Date: Tue, 26 Nov 2019 12:21:01 -0800 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006630680598459e6e@google.com> Subject: Re: INFO: rcu detected stall in hub_event From: syzbot To: andreyknvl@google.com, benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, stern@rowland.harvard.edu, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger crash: Reported-and-tested-by: syzbot+ec5f884c4a135aa0dbb9@syzkaller.appspotmail.com Tested on: commit: 46178223 usb: gadget: add raw-gadget interface git tree: https://github.com/google/kasan.git kernel config: https://syzkaller.appspot.com/x/.config?x=99c88c44660624e7 dashboard link: https://syzkaller.appspot.com/bug?extid=ec5f884c4a135aa0dbb9 compiler: gcc (GCC) 9.0.0 20181231 (experimental) patch: https://syzkaller.appspot.com/x/patch.diff?x=1177cc0ee00000 Note: testing is done by a robot and is best-effort only.